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Tanya [424]
3 years ago
8

What is (-5/4) + 75/40 + 100% Please help and explain.

Mathematics
1 answer:
Gre4nikov [31]3 years ago
6 0
I think its 100.625... hope this helps :)
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You are choosing between two health club. club a offers membership for a fee of $20 plus a monthly fee of $25. club b offers mem
____ [38]
20+25x=35+18x
x=1 month
x=15/7
8 0
3 years ago
The population of algae in an
mezya [45]

The equation is y = 20(1.40)^x

where x is the number of days and y is the future amount after x days go by

The 1.40 is from the fact that 1+r = 1+0.40 = 1.40, where r is the decimal form of 40%, so r = 0.40

-----------------------------

Plug in x = 7 to get

y = 20(1.40)^x

y = 20(1.40)^7

y = 210.827008

y = 211

We round to the nearest whole number since it doesn't make much sense to have a fractional portion of an algae. After 7 days, there are about <u>211</u> algae.

5 0
3 years ago
7 ÷ 54 = what is the answer to this math problem
LiRa [457]

Answer:

7/54  or 0.1296

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
PLEASE HELP ME
earnstyle [38]
So here you're using system of equations. You can solve systems by graphing, elimination, or substitution. Ill use substitution. First lets solve for x. take the second equation and add y to both sides to get x by itself:
x - y = 75
x = y + 75 now plug y+75 in for x in the first equation
x + y = 743
(y +75) +y = 743 solve for y
2y +75 = 743 subtract 75
2y = 668 divide both sides by 2
y = 334
now plug this into any of the 2 equations to solve for x i chose the second one
x - y = 75
x - 334 = 75  add 334 to both sides
x = 409
This means x, sold before the tournament is 409 and y, sold at the door is 334. That means the assistant is wrong and accidentally flipped the two answers
8 0
3 years ago
Read 2 more answers
Show 5 different ways to make 492,623
poizon [28]

Answer:

492,622+1

492,610+13

492,623x1

492,625 - 2

4,433,607÷9

3 0
3 years ago
Read 2 more answers
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